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1. A set of tools, usually in a single container.
2. Computers A collection of software routines that together serve a specific purpose, such as modifying an existing program.
3. A collection of documents, such as informational summaries and form letters, that one, especially an adviser or instructor, uses to inform others about a topic of interest.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. a set of tools designed to be used together or for a particular purpose
2. (Computer Science) software designed to perform a specific function, esp to solve a problem: your online printer toolkit.
3. a fixed set of procedures, guidelines, criteria, etc, established to ensure a desired or required result or prevent oversights: We need a toolkit to tackle domestic abuse.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014